Unit1HowTallAreYou第四课时•新岗小学徐信仰MyPetsMysmalldogisasmaller,smallerdog.Isyourdogsmaller,smallerthanmine?Myshortcatisashorter,shortercat.Isyourcatshorter,shorterthanmine?bigbiggerheavierheavysmallersmallthinnerthinlongerlong绿色圃中小学教育网http://www.lspjy.com3.以y结尾,并且y前是辅音字母,则变y为i,再加-er。如:heavier1.单音节词末尾加-er。如:longersmaller2.闭音节单音节词如末尾只有一个辅音字母,须先双写这个辅音字母,再加-er。如:biggerthinnerDisheavierthanC.CisheavierthanB.BisheavierthanA.Howheavyareyou?AisthinnerthanB.BisthinnerthanC.CisthinnerthanD.Areyouthinnerthanme?I’mtallerandheavierthanyou.Myhandsarebiggerthanyourhands.‖yoursⅠ.Spellthewords.(1)h__v_er(4)sm_ll__(2)l_ng__(5)bi__er(3)th_nn_r(6)y____Ⅱ.Readandanswer.(1)Amyis155cm.Tomis5cmtallerthanAmy,and2cmshorterthanJames.HowtallisJames?(2)Aboyis4yearsoldandhissisteris3yearsolderthanhim.Whentheboyis12yearsold,howoldwillhissisterbe?(3)Thewatermelonis5kg,and4kgheavierthanthepineapple.Howheavyisthepineapple?(4)John’sbedis180cmlong.It’s10cmlongerthanBob’s,and5cmshorterthanPeter’s.HowlongisPeter’sbed?Homework•(1)Listentoandrepeat“Let’slearn”.•(2)Makefivesentenceswiththewords“than”.•(3)Askstudentstofindsomethingto•compare.